package com.example.ossdemo;
import lombok.extern.slf4j.Slf4j;

import java.security.MessageDigest;

/**
 * @author hang
 * @version 1.0
 * Create by 2022/8/22 11:01
 * @ClassName Test
 * @Description TODO
 */
@Slf4j
public class MD5Utils {
        /***
         * MD5加码 生成32位md5码
         */
        public static String string2MD5(String inStr) {
            MessageDigest md5 = null;
            try {
                md5 = MessageDigest.getInstance("MD5");
            } catch (Exception e) {
                log.info(e.toString());
                e.printStackTrace();
                System.out.println("代码提交。and测试合并冲突");
                String s="888888888888888888";
                return "";
            }
            char[] charArray = inStr.toCharArray();
            byte[] byteArray = new byte[charArray.length];

            for (int i = 0; i < charArray.length; i++)
                byteArray[i] = (byte) charArray[i];
            byte[] md5Bytes = md5.digest(byteArray);
            StringBuffer hexValue = new StringBuffer();
            for (int i = 0; i < md5Bytes.length; i++) {
                int val = ((int) md5Bytes[i]) & 0xff;
                if (val < 16)
                    hexValue.append("0");
                hexValue.append(Integer.toHexString(val));
            }
            return hexValue.toString();

        }

        /**
         * 加密解密算法 执行一次加密，两次解密
         */
        public static String convertMD5(String inStr) {

            char[] a = inStr.toCharArray();
            for (int i = 0; i < a.length; i++) {
                a[i] = (char) (a[i] ^ 't');
            }
            String s = new String(a);
            return s;

        }

        /**
         * 判断输入的密码和数据库中保存的MD5密码是否一致
         * @param inputPassword 输入的密码
         * @param md5DB 数据库保存的密码
         * @return
         */
        public static boolean passwordIsTrue(String inputPassword,String md5DB) {

            String md5 = string2MD5(inputPassword);

//            log.info("密码是否一致：" + passwordIsTrue("https://blog.csdn.net/ladymorgana/article/details/89847926","ddf8d837f52d4ccf755561e32fafc0c8"));
            log.info("测试合并");
            return md5DB.equals(md5);
        }


        // 测试主函数
        public static void main(String args[]) {
            String s = new String("https://blog.csdn.net/ladymorgana/article/details/89847926");
            log.info("原始：" + s);
            log.info("MD5后：" + string2MD5(s));
            log.info("密码是否一致：" + passwordIsTrue("https://blog.csdn.net/ladymorgana/article/details/89847926","ddf8d837f52d4ccf755561e32fafc0c8"));
            log.info("duyilin",1111122222);
            System.out.println(1111);
            log.info("测试合并");
            log.info("fenhzi");
            log.info("fenzicaozuo555555555");
            log.info("1111111");
            log.info("22222222");
            log.error("1111");
            log.error("33333333333");
            log.info("444444");
            log.info("fenzi66");




            log.info("daliy_du");
            log.info("daily_master_du");

            log.info("志航的1111");

            log.info("wode9.11测试");

            log.info("12321312331");

            log.info("9.11测试2");
            log.info("z9.11.3");


            log.info("d9.11.4");

            log.info("z9.11.5");

            log.info("d9.11.6");

            log.info("z9.11.7");
            log.info("z9.11.8");
        }
}
